Voltage: 20V

Function Setting: 2

No-load Speed: 0-900RPM

Impact Rate: 0-5000BPM

Impact Energy: 1.2J

Chuck: SDS Plus

Drilling Capacity: 16mm in wood, 10mm in concrete, 0.8mm in metal

It is similar to a hammer drill in that it also pounds the drill bit in and out while it is spinning. However, rotary hammers use a piston mechanism instead of a special clutch.